./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:10:19,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:10:19,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:10:19,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:10:19,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:10:19,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:10:19,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:10:19,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:10:19,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:10:19,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:10:19,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:10:19,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:10:19,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:10:19,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:10:19,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:10:19,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:10:19,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:10:19,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:10:19,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:10:19,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:10:19,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:10:19,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:10:19,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:10:19,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:10:19,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:10:19,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:10:19,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:10:19,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:10:19,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:10:19,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:10:19,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:10:19,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:10:19,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:10:19,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:10:19,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:10:19,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:10:19,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:10:19,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:10:19,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:10:19,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:10:19,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:10:19,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:10:19,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:10:19,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:10:19,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:10:19,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:10:19,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:10:19,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:10:19,631 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:10:19,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:10:19,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:10:19,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:10:19,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:10:19,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:10:19,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:10:19,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:10:19,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:10:19,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:10:19,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:10:19,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:10:19,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:10:19,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:10:19,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:10:19,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:10:19,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:19,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:10:19,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:10:19,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:10:19,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:10:19,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:10:19,638 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:10:19,640 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:10:19,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:10:19,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:10:19,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb [2021-10-21 20:10:19,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:10:20,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:10:20,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:10:20,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:10:20,029 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:10:20,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-10-21 20:10:20,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/data/edca86818/cf28718bf200427f832775befcecdf34/FLAG9689d6bf8 [2021-10-21 20:10:20,796 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:10:20,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-10-21 20:10:20,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/data/edca86818/cf28718bf200427f832775befcecdf34/FLAG9689d6bf8 [2021-10-21 20:10:21,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/data/edca86818/cf28718bf200427f832775befcecdf34 [2021-10-21 20:10:21,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:10:21,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:10:21,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:21,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:10:21,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:10:21,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe3e1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21, skipping insertion in model container [2021-10-21 20:10:21,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:10:21,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:10:21,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2021-10-21 20:10:21,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:21,502 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:10:21,560 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2021-10-21 20:10:21,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:21,645 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:10:21,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21 WrapperNode [2021-10-21 20:10:21,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:21,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:21,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:10:21,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:10:21,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:21,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:10:21,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:10:21,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:10:21,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:10:21,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:10:21,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:10:21,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:10:21,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (1/1) ... [2021-10-21 20:10:21,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:21,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:21,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:21,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:10:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:10:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:10:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:10:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:10:23,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:10:23,422 INFO L299 CfgBuilder]: Removed 284 assume(true) statements. [2021-10-21 20:10:23,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:23 BoogieIcfgContainer [2021-10-21 20:10:23,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:10:23,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:10:23,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:10:23,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:10:23,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:10:21" (1/3) ... [2021-10-21 20:10:23,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccb8217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:23, skipping insertion in model container [2021-10-21 20:10:23,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:21" (2/3) ... [2021-10-21 20:10:23,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccb8217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:23, skipping insertion in model container [2021-10-21 20:10:23,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:23" (3/3) ... [2021-10-21 20:10:23,435 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2021-10-21 20:10:23,442 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:10:23,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:10:23,501 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:10:23,508 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:10:23,508 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:10:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:10:23,539 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:23,540 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:23,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:23,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:23,548 INFO L82 PathProgramCache]: Analyzing trace with hash 60762052, now seen corresponding path program 1 times [2021-10-21 20:10:23,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:23,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634371159] [2021-10-21 20:10:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:23,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:23,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:23,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634371159] [2021-10-21 20:10:23,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634371159] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:23,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:23,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:10:23,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872530082] [2021-10-21 20:10:23,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:10:23,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:23,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:10:23,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:10:23,899 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:23,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:23,944 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2021-10-21 20:10:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:10:23,946 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 20:10:23,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:23,959 INFO L225 Difference]: With dead ends: 384 [2021-10-21 20:10:23,959 INFO L226 Difference]: Without dead ends: 191 [2021-10-21 20:10:23,963 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:10:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-21 20:10:24,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-21 20:10:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5159574468085106) internal successors, (285), 190 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2021-10-21 20:10:24,021 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2021-10-21 20:10:24,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:24,021 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2021-10-21 20:10:24,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2021-10-21 20:10:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:10:24,024 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:24,024 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:24,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:10:24,025 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:24,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:24,026 INFO L82 PathProgramCache]: Analyzing trace with hash -850268701, now seen corresponding path program 1 times [2021-10-21 20:10:24,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:24,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761209843] [2021-10-21 20:10:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:24,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:24,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:24,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761209843] [2021-10-21 20:10:24,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761209843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:24,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:24,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:10:24,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799803352] [2021-10-21 20:10:24,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:10:24,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:10:24,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:24,161 INFO L87 Difference]: Start difference. First operand 191 states and 285 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:24,184 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2021-10-21 20:10:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:10:24,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 20:10:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:24,192 INFO L225 Difference]: With dead ends: 191 [2021-10-21 20:10:24,192 INFO L226 Difference]: Without dead ends: 73 [2021-10-21 20:10:24,197 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:24,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-21 20:10:24,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-21 20:10:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-21 20:10:24,208 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-10-21 20:10:24,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:24,208 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-21 20:10:24,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-21 20:10:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:10:24,210 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:24,211 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:24,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:10:24,211 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:24,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:24,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1473925832, now seen corresponding path program 1 times [2021-10-21 20:10:24,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:24,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122239034] [2021-10-21 20:10:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:24,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:24,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:24,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122239034] [2021-10-21 20:10:24,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122239034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:24,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:24,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:10:24,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496826871] [2021-10-21 20:10:24,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:10:24,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:24,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:10:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:24,307 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:24,339 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2021-10-21 20:10:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:10:24,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-21 20:10:24,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:24,349 INFO L225 Difference]: With dead ends: 140 [2021-10-21 20:10:24,350 INFO L226 Difference]: Without dead ends: 73 [2021-10-21 20:10:24,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:24,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-21 20:10:24,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-21 20:10:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-10-21 20:10:24,360 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-10-21 20:10:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:24,360 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-10-21 20:10:24,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-10-21 20:10:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 20:10:24,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:24,363 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:24,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:10:24,363 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:24,364 INFO L82 PathProgramCache]: Analyzing trace with hash -17775911, now seen corresponding path program 1 times [2021-10-21 20:10:24,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:24,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711129053] [2021-10-21 20:10:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:24,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:24,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:24,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711129053] [2021-10-21 20:10:24,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711129053] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:24,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:24,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:10:24,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041785974] [2021-10-21 20:10:24,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:10:24,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:24,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:10:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:24,478 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:24,538 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-21 20:10:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:10:24,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-21 20:10:24,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:24,540 INFO L225 Difference]: With dead ends: 151 [2021-10-21 20:10:24,540 INFO L226 Difference]: Without dead ends: 84 [2021-10-21 20:10:24,541 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-21 20:10:24,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2021-10-21 20:10:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2021-10-21 20:10:24,551 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2021-10-21 20:10:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:24,552 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2021-10-21 20:10:24,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2021-10-21 20:10:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:10:24,554 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:24,554 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:24,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:10:24,555 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:24,555 INFO L82 PathProgramCache]: Analyzing trace with hash 585251370, now seen corresponding path program 1 times [2021-10-21 20:10:24,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:24,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410052369] [2021-10-21 20:10:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:24,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:24,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:24,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410052369] [2021-10-21 20:10:24,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410052369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:24,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:24,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:10:24,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334525280] [2021-10-21 20:10:24,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:10:24,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:24,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:10:24,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:24,647 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:24,778 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2021-10-21 20:10:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:10:24,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 20:10:24,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:24,780 INFO L225 Difference]: With dead ends: 216 [2021-10-21 20:10:24,781 INFO L226 Difference]: Without dead ends: 140 [2021-10-21 20:10:24,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:10:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-21 20:10:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-10-21 20:10:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2021-10-21 20:10:24,802 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2021-10-21 20:10:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:24,802 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2021-10-21 20:10:24,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2021-10-21 20:10:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 20:10:24,812 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:24,812 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:24,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:10:24,813 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:24,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:24,814 INFO L82 PathProgramCache]: Analyzing trace with hash -542144723, now seen corresponding path program 1 times [2021-10-21 20:10:24,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:24,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030758610] [2021-10-21 20:10:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:24,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:24,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:24,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030758610] [2021-10-21 20:10:24,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030758610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:24,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:24,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:10:24,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024650754] [2021-10-21 20:10:24,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:10:24,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:24,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:10:24,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:24,950 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:25,093 INFO L93 Difference]: Finished difference Result 444 states and 625 transitions. [2021-10-21 20:10:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:10:25,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-21 20:10:25,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:25,105 INFO L225 Difference]: With dead ends: 444 [2021-10-21 20:10:25,105 INFO L226 Difference]: Without dead ends: 359 [2021-10-21 20:10:25,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:10:25,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-10-21 20:10:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 139. [2021-10-21 20:10:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 138 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2021-10-21 20:10:25,152 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 33 [2021-10-21 20:10:25,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:25,155 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2021-10-21 20:10:25,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-10-21 20:10:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 20:10:25,162 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:25,162 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:25,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:10:25,162 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:25,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:25,163 INFO L82 PathProgramCache]: Analyzing trace with hash 615151215, now seen corresponding path program 1 times [2021-10-21 20:10:25,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:25,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113930142] [2021-10-21 20:10:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:25,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:25,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:25,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113930142] [2021-10-21 20:10:25,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113930142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:25,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:25,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:10:25,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541269774] [2021-10-21 20:10:25,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:10:25,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:25,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:10:25,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:10:25,255 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:25,401 INFO L93 Difference]: Finished difference Result 294 states and 403 transitions. [2021-10-21 20:10:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:10:25,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 20:10:25,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:25,404 INFO L225 Difference]: With dead ends: 294 [2021-10-21 20:10:25,404 INFO L226 Difference]: Without dead ends: 209 [2021-10-21 20:10:25,404 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:10:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-21 20:10:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2021-10-21 20:10:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.3560975609756099) internal successors, (278), 205 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2021-10-21 20:10:25,422 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 34 [2021-10-21 20:10:25,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:25,423 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2021-10-21 20:10:25,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2021-10-21 20:10:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 20:10:25,424 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:25,424 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:25,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:10:25,425 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:25,426 INFO L82 PathProgramCache]: Analyzing trace with hash -395966035, now seen corresponding path program 1 times [2021-10-21 20:10:25,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:25,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533670873] [2021-10-21 20:10:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:25,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:25,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:25,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533670873] [2021-10-21 20:10:25,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533670873] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:25,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:25,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:10:25,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176456582] [2021-10-21 20:10:25,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:10:25,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:25,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:10:25,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:10:25,481 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:25,554 INFO L93 Difference]: Finished difference Result 484 states and 665 transitions. [2021-10-21 20:10:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:10:25,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 20:10:25,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:25,556 INFO L225 Difference]: With dead ends: 484 [2021-10-21 20:10:25,557 INFO L226 Difference]: Without dead ends: 331 [2021-10-21 20:10:25,557 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-10-21 20:10:25,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 197. [2021-10-21 20:10:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3571428571428572) internal successors, (266), 196 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 266 transitions. [2021-10-21 20:10:25,574 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 266 transitions. Word has length 34 [2021-10-21 20:10:25,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:25,574 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 266 transitions. [2021-10-21 20:10:25,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2021-10-21 20:10:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 20:10:25,575 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:25,575 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:25,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:10:25,576 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:25,577 INFO L82 PathProgramCache]: Analyzing trace with hash 989595496, now seen corresponding path program 1 times [2021-10-21 20:10:25,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:25,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730647266] [2021-10-21 20:10:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:25,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:25,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:25,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730647266] [2021-10-21 20:10:25,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730647266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:25,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:25,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:10:25,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220528580] [2021-10-21 20:10:25,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:10:25,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:25,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:10:25,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:10:25,640 INFO L87 Difference]: Start difference. First operand 197 states and 266 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:25,977 INFO L93 Difference]: Finished difference Result 555 states and 763 transitions. [2021-10-21 20:10:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:10:25,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 20:10:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:25,981 INFO L225 Difference]: With dead ends: 555 [2021-10-21 20:10:25,981 INFO L226 Difference]: Without dead ends: 364 [2021-10-21 20:10:25,984 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 77.4ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:10:25,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-21 20:10:26,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 161. [2021-10-21 20:10:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.3125) internal successors, (210), 160 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 210 transitions. [2021-10-21 20:10:26,009 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 210 transitions. Word has length 34 [2021-10-21 20:10:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:26,011 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 210 transitions. [2021-10-21 20:10:26,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2021-10-21 20:10:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 20:10:26,013 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:26,013 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:26,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:10:26,014 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:26,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:26,014 INFO L82 PathProgramCache]: Analyzing trace with hash -137800597, now seen corresponding path program 1 times [2021-10-21 20:10:26,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:26,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854343965] [2021-10-21 20:10:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:26,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:26,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:26,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854343965] [2021-10-21 20:10:26,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854343965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:26,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:26,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:10:26,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609797638] [2021-10-21 20:10:26,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:10:26,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:26,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:10:26,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:26,099 INFO L87 Difference]: Start difference. First operand 161 states and 210 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:26,161 INFO L93 Difference]: Finished difference Result 413 states and 547 transitions. [2021-10-21 20:10:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:10:26,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-21 20:10:26,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:26,164 INFO L225 Difference]: With dead ends: 413 [2021-10-21 20:10:26,165 INFO L226 Difference]: Without dead ends: 258 [2021-10-21 20:10:26,165 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:10:26,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-10-21 20:10:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 149. [2021-10-21 20:10:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 148 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 191 transitions. [2021-10-21 20:10:26,185 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 191 transitions. Word has length 34 [2021-10-21 20:10:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:26,185 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 191 transitions. [2021-10-21 20:10:26,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 191 transitions. [2021-10-21 20:10:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-21 20:10:26,187 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:26,188 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:26,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:10:26,189 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:26,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:26,190 INFO L82 PathProgramCache]: Analyzing trace with hash 785405984, now seen corresponding path program 1 times [2021-10-21 20:10:26,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:26,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373840447] [2021-10-21 20:10:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:26,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 20:10:26,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:26,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373840447] [2021-10-21 20:10:26,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373840447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:26,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:26,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:10:26,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825287151] [2021-10-21 20:10:26,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:10:26,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:26,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:10:26,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:10:26,279 INFO L87 Difference]: Start difference. First operand 149 states and 191 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:26,327 INFO L93 Difference]: Finished difference Result 301 states and 393 transitions. [2021-10-21 20:10:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:10:26,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-21 20:10:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:26,330 INFO L225 Difference]: With dead ends: 301 [2021-10-21 20:10:26,331 INFO L226 Difference]: Without dead ends: 185 [2021-10-21 20:10:26,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-21 20:10:26,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 133. [2021-10-21 20:10:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 132 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 171 transitions. [2021-10-21 20:10:26,349 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 171 transitions. Word has length 51 [2021-10-21 20:10:26,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:26,349 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 171 transitions. [2021-10-21 20:10:26,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-10-21 20:10:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 20:10:26,351 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:26,351 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:26,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:10:26,351 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:26,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:26,352 INFO L82 PathProgramCache]: Analyzing trace with hash 282802848, now seen corresponding path program 1 times [2021-10-21 20:10:26,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:26,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966210212] [2021-10-21 20:10:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:26,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:26,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:26,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966210212] [2021-10-21 20:10:26,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966210212] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:26,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:26,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:10:26,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528036884] [2021-10-21 20:10:26,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:10:26,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:26,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:10:26,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:26,438 INFO L87 Difference]: Start difference. First operand 133 states and 171 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:26,588 INFO L93 Difference]: Finished difference Result 684 states and 873 transitions. [2021-10-21 20:10:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:10:26,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-21 20:10:26,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:26,594 INFO L225 Difference]: With dead ends: 684 [2021-10-21 20:10:26,594 INFO L226 Difference]: Without dead ends: 557 [2021-10-21 20:10:26,595 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:10:26,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-10-21 20:10:26,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 258. [2021-10-21 20:10:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 257 states have (on average 1.2684824902723735) internal successors, (326), 257 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 326 transitions. [2021-10-21 20:10:26,641 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 326 transitions. Word has length 52 [2021-10-21 20:10:26,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:26,642 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 326 transitions. [2021-10-21 20:10:26,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 326 transitions. [2021-10-21 20:10:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-21 20:10:26,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:26,644 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:26,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:10:26,645 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:26,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:26,646 INFO L82 PathProgramCache]: Analyzing trace with hash 140278630, now seen corresponding path program 1 times [2021-10-21 20:10:26,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:26,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021893075] [2021-10-21 20:10:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:26,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:10:26,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:26,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021893075] [2021-10-21 20:10:26,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021893075] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:10:26,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871745001] [2021-10-21 20:10:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:26,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:10:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:26,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:10:26,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:10:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:26,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:10:26,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:10:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:10:27,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871745001] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:10:27,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:10:27,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 20:10:27,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84492056] [2021-10-21 20:10:27,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:10:27,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:27,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:10:27,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:10:27,259 INFO L87 Difference]: Start difference. First operand 258 states and 326 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:27,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:27,478 INFO L93 Difference]: Finished difference Result 634 states and 796 transitions. [2021-10-21 20:10:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:10:27,479 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-21 20:10:27,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:27,482 INFO L225 Difference]: With dead ends: 634 [2021-10-21 20:10:27,482 INFO L226 Difference]: Without dead ends: 382 [2021-10-21 20:10:27,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 53.4ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:10:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-21 20:10:27,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 244. [2021-10-21 20:10:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2304526748971194) internal successors, (299), 243 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2021-10-21 20:10:27,530 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 53 [2021-10-21 20:10:27,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:27,531 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2021-10-21 20:10:27,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:27,531 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2021-10-21 20:10:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 20:10:27,532 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:27,532 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:27,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:27,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-21 20:10:27,747 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:27,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:27,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1173555437, now seen corresponding path program 1 times [2021-10-21 20:10:27,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:27,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026413312] [2021-10-21 20:10:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:27,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 20:10:27,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:27,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026413312] [2021-10-21 20:10:27,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026413312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:27,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:27,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:10:27,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678066534] [2021-10-21 20:10:27,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:10:27,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:27,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:10:27,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:10:27,859 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:28,077 INFO L93 Difference]: Finished difference Result 863 states and 1069 transitions. [2021-10-21 20:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:10:28,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-21 20:10:28,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:28,082 INFO L225 Difference]: With dead ends: 863 [2021-10-21 20:10:28,082 INFO L226 Difference]: Without dead ends: 677 [2021-10-21 20:10:28,083 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 64.6ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:10:28,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-10-21 20:10:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 244. [2021-10-21 20:10:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2263374485596708) internal successors, (298), 243 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 298 transitions. [2021-10-21 20:10:28,121 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 298 transitions. Word has length 54 [2021-10-21 20:10:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:28,122 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 298 transitions. [2021-10-21 20:10:28,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 298 transitions. [2021-10-21 20:10:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-21 20:10:28,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:28,123 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:28,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 20:10:28,124 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:28,124 INFO L82 PathProgramCache]: Analyzing trace with hash -517061415, now seen corresponding path program 1 times [2021-10-21 20:10:28,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:28,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186082865] [2021-10-21 20:10:28,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 20:10:28,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:28,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186082865] [2021-10-21 20:10:28,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186082865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:28,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:28,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:10:28,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674763495] [2021-10-21 20:10:28,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:10:28,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:28,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:10:28,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:28,185 INFO L87 Difference]: Start difference. First operand 244 states and 298 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:28,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:28,311 INFO L93 Difference]: Finished difference Result 740 states and 922 transitions. [2021-10-21 20:10:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:10:28,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-21 20:10:28,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:28,315 INFO L225 Difference]: With dead ends: 740 [2021-10-21 20:10:28,315 INFO L226 Difference]: Without dead ends: 554 [2021-10-21 20:10:28,316 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:10:28,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-10-21 20:10:28,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 250. [2021-10-21 20:10:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2208835341365463) internal successors, (304), 249 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 304 transitions. [2021-10-21 20:10:28,354 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 304 transitions. Word has length 60 [2021-10-21 20:10:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:28,354 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 304 transitions. [2021-10-21 20:10:28,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 304 transitions. [2021-10-21 20:10:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-21 20:10:28,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:28,355 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:28,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:10:28,356 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:28,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:28,356 INFO L82 PathProgramCache]: Analyzing trace with hash -258895977, now seen corresponding path program 1 times [2021-10-21 20:10:28,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:28,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591014223] [2021-10-21 20:10:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:10:28,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:28,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591014223] [2021-10-21 20:10:28,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591014223] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:10:28,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808938746] [2021-10-21 20:10:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:10:28,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:28,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:10:28,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:10:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:28,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:10:28,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:10:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:10:28,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808938746] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:10:28,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:10:28,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-21 20:10:28,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532080082] [2021-10-21 20:10:28,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:10:28,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:10:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:10:28,978 INFO L87 Difference]: Start difference. First operand 250 states and 304 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:29,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:29,214 INFO L93 Difference]: Finished difference Result 874 states and 1084 transitions. [2021-10-21 20:10:29,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 20:10:29,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-21 20:10:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:29,215 INFO L225 Difference]: With dead ends: 874 [2021-10-21 20:10:29,216 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:10:29,217 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 57.6ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:10:29,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:10:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:10:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:10:29,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2021-10-21 20:10:29,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:29,218 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:10:29,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:10:29,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:10:29,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:10:29,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:10:29,221 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:10:29,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:29,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-21 20:10:29,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:10:29,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:29,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:30,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:31,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:32,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:32,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:32,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:32,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:32,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:32,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:33,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:42,553 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-10-21 20:10:42,554 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-10-21 20:10:42,554 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2021-10-21 20:10:42,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-21 20:10:42,555 INFO L853 garLoopResultBuilder]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse4 (= 1 ~systemActive~0)) (.cse18 (= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse14 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse19 (let ((.cse20 (not .cse1))) (or (and .cse0 .cse20 .cse3 .cse12 .cse4) (and .cse0 .cse20 .cse12 .cse4 .cse18)))) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse2 .cse9 (<= ~waterLevel~0 1) .cse10 .cse11 .cse12 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13 .cse14) (and .cse0 .cse1 .cse4 .cse15 .cse5 .cse16 .cse17) (and .cse0 .cse7 .cse9 .cse10 .cse11 .cse12 .cse4 .cse15 .cse5 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse4 .cse18) (and .cse6 .cse0 .cse1 .cse8 .cse2 .cse4 .cse5 .cse13 .cse14) (and .cse7 .cse8 .cse2 .cse9 .cse5 .cse19 .cse14) (and .cse7 .cse9 .cse15 .cse5 .cse19 .cse16 .cse17)))) [2021-10-21 20:10:42,555 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-21 20:10:42,555 INFO L857 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-10-21 20:10:42,555 INFO L857 garLoopResultBuilder]: For program point L267-2(line 267) no Hoare annotation was computed. [2021-10-21 20:10:42,556 INFO L853 garLoopResultBuilder]: At program point L996(lines 981 999) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse7 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)))) [2021-10-21 20:10:42,556 INFO L853 garLoopResultBuilder]: At program point L996-1(lines 981 999) the Hoare annotation is: false [2021-10-21 20:10:42,556 INFO L853 garLoopResultBuilder]: At program point L996-2(lines 981 999) the Hoare annotation is: false [2021-10-21 20:10:42,556 INFO L853 garLoopResultBuilder]: At program point L996-3(lines 981 999) the Hoare annotation is: false [2021-10-21 20:10:42,556 INFO L853 garLoopResultBuilder]: At program point L996-4(lines 981 999) the Hoare annotation is: false [2021-10-21 20:10:42,557 INFO L853 garLoopResultBuilder]: At program point L996-5(lines 981 999) the Hoare annotation is: false [2021-10-21 20:10:42,557 INFO L853 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:10:42,557 INFO L853 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2021-10-21 20:10:42,557 INFO L853 garLoopResultBuilder]: At program point L173-2(lines 173 187) the Hoare annotation is: false [2021-10-21 20:10:42,557 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-10-21 20:10:42,557 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,558 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,558 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,558 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,558 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,558 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,558 INFO L857 garLoopResultBuilder]: For program point L141-6(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,559 INFO L857 garLoopResultBuilder]: For program point L141-7(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,559 INFO L857 garLoopResultBuilder]: For program point L141-8(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,559 INFO L857 garLoopResultBuilder]: For program point L141-9(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,559 INFO L857 garLoopResultBuilder]: For program point L141-10(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,559 INFO L857 garLoopResultBuilder]: For program point L141-11(lines 141 147) no Hoare annotation was computed. [2021-10-21 20:10:42,560 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-21 20:10:42,560 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-21 20:10:42,560 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 886) no Hoare annotation was computed. [2021-10-21 20:10:42,560 INFO L857 garLoopResultBuilder]: For program point L869-1(lines 869 886) no Hoare annotation was computed. [2021-10-21 20:10:42,560 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 886) no Hoare annotation was computed. [2021-10-21 20:10:42,560 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2021-10-21 20:10:42,561 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 785 791) no Hoare annotation was computed. [2021-10-21 20:10:42,561 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2021-10-21 20:10:42,561 INFO L853 garLoopResultBuilder]: At program point L739-1(lines 739 745) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse3 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (<= ~waterLevel~0 2)) (.cse11 (let ((.cse12 (not .cse9))) (or (and .cse0 .cse12 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse12 .cse5 .cse6 (= ~waterLevel~0 1)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse2 .cse8 .cse11) (and .cse0 .cse1 .cse10 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse6 .cse8) (and .cse1 .cse2 .cse7 .cse8 .cse11)))) [2021-10-21 20:10:42,561 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,561 INFO L857 garLoopResultBuilder]: For program point L971-2(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,562 INFO L857 garLoopResultBuilder]: For program point L971-3(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,562 INFO L857 garLoopResultBuilder]: For program point L971-5(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,562 INFO L857 garLoopResultBuilder]: For program point L971-6(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,562 INFO L857 garLoopResultBuilder]: For program point L971-8(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,562 INFO L857 garLoopResultBuilder]: For program point L971-9(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,562 INFO L857 garLoopResultBuilder]: For program point L971-11(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,563 INFO L857 garLoopResultBuilder]: For program point L971-12(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,563 INFO L857 garLoopResultBuilder]: For program point L971-14(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,563 INFO L857 garLoopResultBuilder]: For program point L971-15(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,563 INFO L857 garLoopResultBuilder]: For program point L971-17(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,563 INFO L857 garLoopResultBuilder]: For program point L971-18(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,563 INFO L857 garLoopResultBuilder]: For program point L971-20(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,564 INFO L857 garLoopResultBuilder]: For program point L971-21(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,564 INFO L857 garLoopResultBuilder]: For program point L971-23(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,564 INFO L857 garLoopResultBuilder]: For program point L971-24(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,564 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,564 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,564 INFO L857 garLoopResultBuilder]: For program point L971-26(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,565 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,565 INFO L857 garLoopResultBuilder]: For program point L971-27(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,565 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse9 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6))) [2021-10-21 20:10:42,565 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,565 INFO L857 garLoopResultBuilder]: For program point L971-29(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,566 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,566 INFO L857 garLoopResultBuilder]: For program point L971-30(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,566 INFO L853 garLoopResultBuilder]: At program point L146-6(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,566 INFO L853 garLoopResultBuilder]: At program point L146-7(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,566 INFO L857 garLoopResultBuilder]: For program point L971-32(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,566 INFO L853 garLoopResultBuilder]: At program point L146-8(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,567 INFO L857 garLoopResultBuilder]: For program point L971-33(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,567 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 881) no Hoare annotation was computed. [2021-10-21 20:10:42,567 INFO L853 garLoopResultBuilder]: At program point L146-9(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,567 INFO L857 garLoopResultBuilder]: For program point L873-1(lines 873 881) no Hoare annotation was computed. [2021-10-21 20:10:42,567 INFO L853 garLoopResultBuilder]: At program point L146-10(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,567 INFO L857 garLoopResultBuilder]: For program point L971-35(lines 971 975) no Hoare annotation was computed. [2021-10-21 20:10:42,568 INFO L857 garLoopResultBuilder]: For program point L873-2(lines 873 881) no Hoare annotation was computed. [2021-10-21 20:10:42,568 INFO L853 garLoopResultBuilder]: At program point L146-11(lines 137 150) the Hoare annotation is: false [2021-10-21 20:10:42,568 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2021-10-21 20:10:42,568 INFO L857 garLoopResultBuilder]: For program point L843-1(lines 843 860) no Hoare annotation was computed. [2021-10-21 20:10:42,568 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 843 860) no Hoare annotation was computed. [2021-10-21 20:10:42,568 INFO L857 garLoopResultBuilder]: For program point L843-3(lines 843 860) no Hoare annotation was computed. [2021-10-21 20:10:42,569 INFO L857 garLoopResultBuilder]: For program point L843-4(lines 843 860) no Hoare annotation was computed. [2021-10-21 20:10:42,569 INFO L857 garLoopResultBuilder]: For program point L843-5(lines 843 860) no Hoare annotation was computed. [2021-10-21 20:10:42,569 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 302) no Hoare annotation was computed. [2021-10-21 20:10:42,569 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 256) no Hoare annotation was computed. [2021-10-21 20:10:42,569 INFO L857 garLoopResultBuilder]: For program point L282-2(lines 282 302) no Hoare annotation was computed. [2021-10-21 20:10:42,570 INFO L860 garLoopResultBuilder]: At program point L249-1(lines 249 256) the Hoare annotation is: true [2021-10-21 20:10:42,570 INFO L857 garLoopResultBuilder]: For program point L282-4(lines 282 302) no Hoare annotation was computed. [2021-10-21 20:10:42,570 INFO L853 garLoopResultBuilder]: At program point L977(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,570 INFO L853 garLoopResultBuilder]: At program point L977-1(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,570 INFO L853 garLoopResultBuilder]: At program point L977-2(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,571 INFO L853 garLoopResultBuilder]: At program point L977-3(lines 962 980) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 1)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse6) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse14 .cse15 .cse6 .cse7))) [2021-10-21 20:10:42,571 INFO L853 garLoopResultBuilder]: At program point L977-4(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,571 INFO L853 garLoopResultBuilder]: At program point L977-5(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,571 INFO L853 garLoopResultBuilder]: At program point L977-6(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,571 INFO L853 garLoopResultBuilder]: At program point L977-7(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,572 INFO L853 garLoopResultBuilder]: At program point L977-8(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,572 INFO L853 garLoopResultBuilder]: At program point L977-9(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,572 INFO L853 garLoopResultBuilder]: At program point L977-10(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,572 INFO L853 garLoopResultBuilder]: At program point L977-11(lines 962 980) the Hoare annotation is: false [2021-10-21 20:10:42,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:10:42,572 INFO L853 garLoopResultBuilder]: At program point L913(lines 906 916) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-21 20:10:42,573 INFO L853 garLoopResultBuilder]: At program point L913-1(lines 906 916) the Hoare annotation is: false [2021-10-21 20:10:42,573 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2021-10-21 20:10:42,573 INFO L853 garLoopResultBuilder]: At program point L913-2(lines 906 916) the Hoare annotation is: false [2021-10-21 20:10:42,573 INFO L857 garLoopResultBuilder]: For program point L847-1(lines 847 855) no Hoare annotation was computed. [2021-10-21 20:10:42,573 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 855) no Hoare annotation was computed. [2021-10-21 20:10:42,573 INFO L857 garLoopResultBuilder]: For program point L847-3(lines 847 855) no Hoare annotation was computed. [2021-10-21 20:10:42,574 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 855) no Hoare annotation was computed. [2021-10-21 20:10:42,574 INFO L857 garLoopResultBuilder]: For program point L847-5(lines 847 855) no Hoare annotation was computed. [2021-10-21 20:10:42,574 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-21 20:10:42,574 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2021-10-21 20:10:42,574 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2021-10-21 20:10:42,575 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 1 1007) the Hoare annotation is: (let ((.cse21 (= ~pumpRunning~0 0))) (let ((.cse14 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse21)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ~methaneLevelCritical~0 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse18 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 1)) (.cse19 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse20 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse5 .cse13 .cse14 .cse15 .cse7 .cse8 .cse16 .cse17 .cse18) (and .cse19 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 .cse14 .cse15 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse20 .cse12) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse7 .cse8 .cse16 .cse9 .cse10 .cse11 .cse17 .cse18) (and .cse0 .cse21 .cse13 .cse8 .cse16 .cse17 .cse18) (and .cse19 .cse0 .cse21 .cse3 .cse4 .cse13 .cse8 .cse20 .cse12) (and .cse0 .cse21 .cse4 .cse8 (= ~waterLevel~0 1))))) [2021-10-21 20:10:42,575 INFO L853 garLoopResultBuilder]: At program point L222(lines 218 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:10:42,575 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 301) no Hoare annotation was computed. [2021-10-21 20:10:42,575 INFO L853 garLoopResultBuilder]: At program point L288-3(lines 1 1007) the Hoare annotation is: false [2021-10-21 20:10:42,575 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse7 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)))) [2021-10-21 20:10:42,576 INFO L857 garLoopResultBuilder]: For program point L288-4(lines 288 301) no Hoare annotation was computed. [2021-10-21 20:10:42,576 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-10-21 20:10:42,576 INFO L853 garLoopResultBuilder]: At program point L288-5(lines 1 1007) the Hoare annotation is: false [2021-10-21 20:10:42,576 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-10-21 20:10:42,576 INFO L853 garLoopResultBuilder]: At program point L156-3(lines 151 159) the Hoare annotation is: false [2021-10-21 20:10:42,576 INFO L853 garLoopResultBuilder]: At program point L156-4(lines 151 159) the Hoare annotation is: false [2021-10-21 20:10:42,577 INFO L853 garLoopResultBuilder]: At program point L156-5(lines 151 159) the Hoare annotation is: false [2021-10-21 20:10:42,577 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,577 INFO L857 garLoopResultBuilder]: For program point L817-1(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,577 INFO L857 garLoopResultBuilder]: For program point L817-2(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,577 INFO L857 garLoopResultBuilder]: For program point L817-3(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,577 INFO L857 garLoopResultBuilder]: For program point L817-4(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,578 INFO L857 garLoopResultBuilder]: For program point L817-5(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,578 INFO L857 garLoopResultBuilder]: For program point L817-6(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,578 INFO L857 garLoopResultBuilder]: For program point L817-7(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,578 INFO L857 garLoopResultBuilder]: For program point L817-8(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,578 INFO L857 garLoopResultBuilder]: For program point L817-9(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,578 INFO L857 garLoopResultBuilder]: For program point L817-10(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,579 INFO L857 garLoopResultBuilder]: For program point L817-11(lines 817 834) no Hoare annotation was computed. [2021-10-21 20:10:42,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:10:42,579 INFO L853 garLoopResultBuilder]: At program point L785(lines 784 803) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse2 .cse3))) [2021-10-21 20:10:42,579 INFO L857 garLoopResultBuilder]: For program point L785-1(lines 785 791) no Hoare annotation was computed. [2021-10-21 20:10:42,579 INFO L853 garLoopResultBuilder]: At program point L785-2(lines 784 803) the Hoare annotation is: false [2021-10-21 20:10:42,579 INFO L853 garLoopResultBuilder]: At program point L785-3(lines 784 803) the Hoare annotation is: false [2021-10-21 20:10:42,580 INFO L857 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2021-10-21 20:10:42,580 INFO L860 garLoopResultBuilder]: At program point L258(lines 239 261) the Hoare annotation is: true [2021-10-21 20:10:42,580 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2021-10-21 20:10:42,580 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2021-10-21 20:10:42,580 INFO L857 garLoopResultBuilder]: For program point L292-2(lines 292 298) no Hoare annotation was computed. [2021-10-21 20:10:42,580 INFO L857 garLoopResultBuilder]: For program point L292-4(lines 292 298) no Hoare annotation was computed. [2021-10-21 20:10:42,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:10:42,581 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,581 INFO L857 garLoopResultBuilder]: For program point L821-1(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,581 INFO L857 garLoopResultBuilder]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,581 INFO L857 garLoopResultBuilder]: For program point L821-3(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,581 INFO L857 garLoopResultBuilder]: For program point L821-4(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-5(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-6(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-7(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-8(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-9(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-10(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,582 INFO L857 garLoopResultBuilder]: For program point L821-11(lines 821 829) no Hoare annotation was computed. [2021-10-21 20:10:42,583 INFO L853 garLoopResultBuilder]: At program point L922(lines 917 925) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0)) [2021-10-21 20:10:42,583 INFO L853 garLoopResultBuilder]: At program point L922-1(lines 917 925) the Hoare annotation is: false [2021-10-21 20:10:42,583 INFO L853 garLoopResultBuilder]: At program point L922-2(lines 917 925) the Hoare annotation is: false [2021-10-21 20:10:42,583 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2021-10-21 20:10:42,583 INFO L853 garLoopResultBuilder]: At program point L757-2(lines 785 791) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse3 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (<= ~waterLevel~0 2)) (.cse11 (let ((.cse12 (not .cse9))) (or (and .cse0 .cse12 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse12 .cse5 .cse6 (= ~waterLevel~0 1)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse2 .cse8 .cse11) (and .cse0 .cse1 .cse10 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse6 .cse8) (and .cse1 .cse2 .cse7 .cse8 .cse11)))) [2021-10-21 20:10:42,584 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-10-21 20:10:42,584 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-10-21 20:10:42,584 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-10-21 20:10:42,584 INFO L853 garLoopResultBuilder]: At program point L329(lines 1 1007) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 20:10:42,584 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:10:42,584 INFO L857 garLoopResultBuilder]: For program point L990(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,585 INFO L857 garLoopResultBuilder]: For program point L990-2(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,585 INFO L857 garLoopResultBuilder]: For program point L990-3(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,585 INFO L857 garLoopResultBuilder]: For program point L990-5(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,585 INFO L853 garLoopResultBuilder]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse14)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse15 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse11 .cse12 .cse13 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (and .cse0 .cse14 .cse3 .cse11 .cse7) (and .cse0 .cse1 .cse4 .cse11 .cse12 .cse13 .cse6 .cse7 .cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10) (and .cse0 .cse14 .cse11 .cse7 .cse15)))) [2021-10-21 20:10:42,586 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2021-10-21 20:10:42,586 INFO L857 garLoopResultBuilder]: For program point L990-6(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,586 INFO L853 garLoopResultBuilder]: At program point L792-1(lines 792 798) the Hoare annotation is: false [2021-10-21 20:10:42,586 INFO L857 garLoopResultBuilder]: For program point L990-8(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,586 INFO L853 garLoopResultBuilder]: At program point L792-2(lines 792 798) the Hoare annotation is: false [2021-10-21 20:10:42,586 INFO L857 garLoopResultBuilder]: For program point L990-9(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,586 INFO L857 garLoopResultBuilder]: For program point L990-11(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,587 INFO L857 garLoopResultBuilder]: For program point L990-12(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,587 INFO L857 garLoopResultBuilder]: For program point L990-14(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,587 INFO L857 garLoopResultBuilder]: For program point L990-15(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,587 INFO L857 garLoopResultBuilder]: For program point L990-17(lines 990 994) no Hoare annotation was computed. [2021-10-21 20:10:42,587 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse10 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse7 (= 1 ~systemActive~0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 (<= ~waterLevel~0 2) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse10 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse3 .cse4 .cse5 .cse10 (= ULTIMATE.start_processEnvironment_~tmp~8 0) (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0) .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8))) [2021-10-21 20:10:42,588 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-21 20:10:42,588 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-21 20:10:42,588 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-21 20:10:42,588 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse7 (not .cse1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse6 .cse2 .cse3 .cse8 .cse4 .cse16 .cse17 .cse10 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9 .cse10 .cse5 .cse12 .cse13 .cse14) (and .cse0 .cse6 .cse8 .cse4 .cse16 .cse17 .cse10 .cse5 .cse11 .cse15) (and .cse0 .cse1 .cse4 .cse5 .cse11 .cse15)))) [2021-10-21 20:10:42,588 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: false [2021-10-21 20:10:42,589 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-10-21 20:10:42,594 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:10:42,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:10:42 BoogieIcfgContainer [2021-10-21 20:10:42,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:10:42,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:10:42,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:10:42,643 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:10:42,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:23" (3/4) ... [2021-10-21 20:10:42,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:10:42,679 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:10:42,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:10:42,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:10:42,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:10:42,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:10:42,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:10:42,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:10:42,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-21 20:10:42,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || (((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1) && tmp == 0)) || ((((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && tmp == 0)) || ((((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && \result == 1) && tmp == 1) [2021-10-21 20:10:42,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) [2021-10-21 20:10:42,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) [2021-10-21 20:10:42,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:10:42,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:10:42,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 20:10:42,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 20:10:42,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && \result == 0) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 20:10:42,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) [2021-10-21 20:10:42,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) [2021-10-21 20:10:42,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && \result == 0)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-21 20:10:42,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0 [2021-10-21 20:10:42,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) [2021-10-21 20:10:42,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) [2021-10-21 20:10:42,814 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:10:42,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:10:42,816 INFO L168 Benchmark]: Toolchain (without parser) took 21791.75 ms. Allocated memory was 104.9 MB in the beginning and 237.0 MB in the end (delta: 132.1 MB). Free memory was 65.3 MB in the beginning and 143.5 MB in the end (delta: -78.2 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,816 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 82.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:42,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.61 ms. Allocated memory is still 104.9 MB. Free memory was 65.1 MB in the beginning and 70.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.78 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 65.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,817 INFO L168 Benchmark]: Boogie Preprocessor took 88.52 ms. Allocated memory is still 104.9 MB. Free memory was 65.1 MB in the beginning and 61.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,818 INFO L168 Benchmark]: RCFGBuilder took 1548.26 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 61.3 MB in the beginning and 83.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,818 INFO L168 Benchmark]: TraceAbstraction took 19215.75 ms. Allocated memory was 136.3 MB in the beginning and 237.0 MB in the end (delta: 100.7 MB). Free memory was 82.4 MB in the beginning and 159.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 118.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,819 INFO L168 Benchmark]: Witness Printer took 171.33 ms. Allocated memory is still 237.0 MB. Free memory was 159.2 MB in the beginning and 143.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:42,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 82.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.61 ms. Allocated memory is still 104.9 MB. Free memory was 65.1 MB in the beginning and 70.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.78 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 65.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.52 ms. Allocated memory is still 104.9 MB. Free memory was 65.1 MB in the beginning and 61.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1548.26 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 61.3 MB in the beginning and 83.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19215.75 ms. Allocated memory was 136.3 MB in the beginning and 237.0 MB in the end (delta: 100.7 MB). Free memory was 82.4 MB in the beginning and 159.2 MB in the end (delta: -76.9 MB). Peak memory consumption was 118.6 MB. Max. memory is 16.1 GB. * Witness Printer took 171.33 ms. Allocated memory is still 237.0 MB. Free memory was 159.2 MB in the beginning and 143.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 19095.5ms, OverallIterations: 16, TraceHistogramMax: 2, EmptinessCheckTime: 38.0ms, AutomataDifference: 2205.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 13118.1ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2088 SDtfs, 2816 SDslu, 3577 SDs, 0 SdLazy, 505 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 764.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 458.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=12, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 402.6ms AutomataMinimizationTime, 16 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 70 LocationsWithAnnotation, 70 PreInvPairs, 329 NumberOfFragments, 2002 HoareAnnotationTreeSize, 70 FomulaSimplifications, 65632031 FormulaSimplificationTreeSizeReduction, 3846.9ms HoareSimplificationTime, 70 FomulaSimplificationsInter, 10298107 FormulaSimplificationTreeSizeReductionInter, 9250.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 136.1ms SsaConstructionTime, 599.7ms SatisfiabilityAnalysisTime, 1638.7ms InterpolantComputationTime, 733 NumberOfCodeBlocks, 733 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 715 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 SizeOfPredicates, 6 NumberOfNonLiveVariables, 902 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 104/120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || (((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1) && tmp == 0)) || ((((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && tmp == 0)) || ((((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && \result == 1) && tmp == 1) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && \result == 0) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && \result == 0)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:10:42,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e63b35-4f0e-4994-8f7e-0a63eb9156e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...